public class Example3_6{
  public static void main (String args[]){
    double sum=0,item=1;
    int i=5217,n=5236;
    while (i<=n){
       sum=sum+item;
      i=i+1;
      item=item*(1.0/i);
   }
  System.out.println("sum="+sum);
   }
}





